6BV-14301-10 6BV-14301-11 6BV-14301-09 Carburetor for Yamaha F4S F4L | JLM Marine

Carburetor for Yamaha 4HP 5HP F4S F4L 4-Stroke Outboard

This carburetor is designed to fit Yamaha 4HP and 5HP 4-stroke outboard engines, specifically the F4S and F4L models. Engineered as a direct replacement for reliable fuel delivery and smooth engine operation, this carburetor ensures your outboard runs efficiently on the water.

This aftermarket carburetor directly replaces Yamaha OEM part numbers 6BV-14301-10, 6BV-14301-11, and 6BV-14301-09, providing a cost-effective solution without compromising performance.

• Direct fit for Yamaha F4S and F4L 4-stroke outboards
• Replaces multiple OEM part numbers for broad compatibility
• Ensures consistent fuel-air mixture for optimal engine performance

Part Number Cross-Reference

Use this table to confirm equivalent part numbers across OEM and aftermarket brands.

Compatible Engine Models

Confirm your engine model/year in the table below. For Yamaha owners, here's a guide to help you identify your engine's serial/model: Yamaha Serial Number Guide. You can also review exploded diagrams to verify part numbers: Yamaha Parts Diagrams & Catalog.

Technical Specifications

Package Contents

• 1 × Carburetor

Installation Guide

1. Disconnect the fuel line from the existing carburetor and ensure the fuel valve is closed to prevent spillage.
2. Remove the air intake cover and air filter assembly to access the carburetor mounting.
3. Disconnect the throttle linkage and choke cable carefully, noting their positions for reassembly.
4. Unbolt the old carburetor from the intake manifold using the appropriate wrench or socket.
5. Remove the old gasket and clean the mounting surface thoroughly to ensure a proper seal.
6. Install a new gasket onto the intake manifold surface.
7. Position the new carburetor onto the mounting studs and hand-tighten the bolts evenly.
8. Torque the carburetor mounting bolts to manufacturer specifications in a crisscross pattern.
9. Reconnect the throttle linkage and choke cable, ensuring smooth operation without binding.
10. Attach the fuel line securely to the carburetor inlet and check for leaks.
11. Reinstall the air filter assembly and air intake cover.
12. Start the engine and allow it to warm up, then adjust the idle speed and mixture as needed for optimal performance.

Troubleshooting & FAQ

Q: How do I confirm this carburetor fits my Yamaha outboard?
A: Verify your engine model is F4S or F4L (4HP or 5HP, 4-stroke) and cross-check your original carburetor part number against 6BV-14301-10, 6BV-14301-11, or 6BV-14301-09.

Q: Will this carburetor work right out of the box or does it need adjustments?
A: The carburetor is pre-set to factory specifications, but minor idle and mixture adjustments may be required after installation to match your specific engine conditions and fuel type.

Q: What are common signs that my carburetor needs replacement?
A: Symptoms include difficulty starting, rough idling, poor acceleration, excessive fuel consumption, or black smoke from the exhaust indicating a rich fuel mixture.

Q: How often should I replace or service my carburetor?
A: Carburetors don't have a set replacement interval, but regular cleaning and inspection (annually or every 100 hours) can extend life. Replace when cleaning no longer restores proper performance.

Q: Is this an OEM or aftermarket carburetor?
A: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.

Q: How fast do you ship and how much does it cost?
A: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.

Q: What is your warranty and return policy?
A: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.

Important Notes

• Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
• This product is an aftermarket replacement part and is not an OEM component.
• Professional installation is recommended to ensure safety and optimal performance.

Why Choose JLM MARINE?

• Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
• Fast Global Shipping: Free delivery worldwide in 5–15 days.
• Direct from Manufacturer: Competitive pricing without compromising quality.